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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.fsa.test;
import com.yahoo.fsa.FSA;
import org.junit.Before;
import org.junit.Test;
import java.io.FileInputStream;
import java.io.IOException;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* @author bratseth
*/
public class FSATestCase {
private FSA fsa;
private FSA.State state;
@Before
public void setUp() throws IOException {
fsa=new FSA(new FileInputStream("src/test/fsa/test-fsa.fsa"));
state=fsa.getState();
}
@Test
public void testSingleWordDelta() {
state.delta("aword");
assertTrue(state.isValid());
assertTrue(state.isFinal());
}
@Test
public void testSingleWordDeltaWord() {
state.deltaWord("aword");
assertTrue(state.isValid());
assertTrue(state.isFinal());
}
@Test
public void testSingleWordDeltaPartialMatch() {
state.delta("awo");
assertTrue(state.isValid());
assertFalse(state.isFinal());
}
@Test
public void testSingleWordDeltaPartialMatchWord() {
state.deltaWord("awo");
assertTrue(state.isValid());
assertFalse(state.isFinal());
}
@Test
public void testMultiWordDelta() {
state.delta("th");
assertFalse(state.isFinal());
state.delta("is ");
assertFalse(state.isFinal());
state.delta("is ");
assertFalse(state.isFinal());
state.delta("a");
assertFalse(state.isFinal());
state.delta(" test");
assertTrue(state.isValid());
assertTrue(state.isFinal());
}
@Test
public void testMultiWordDeltaWord() {
state.deltaWord("this");
assertFalse(state.isFinal());
state.deltaWord("is");
assertFalse(state.isFinal());
state.deltaWord("a");
assertFalse(state.isFinal());
state.deltaWord("test");
assertTrue(state.isValid());
assertTrue(state.isFinal());
}
@Test
public void testMultiWordDeltaWordInvalid() {
state.deltaWord("th");
assertFalse(state.isFinal());
state.deltaWord("is ");
assertFalse(state.isFinal());
assertFalse(state.isValid());
}
@Test
public void testMultiWordDeltaTry() {
assertFalse(state.tryDeltaWord("thiss"));
assertTrue(state.isValid());
assertTrue(state.tryDeltaWord("this"));
state.deltaWord("is");
state.tryDeltaWord("a");
assertFalse(state.tryDeltaWord("tes"));
assertFalse(state.tryDeltaWord("tesz"));
assertFalse(state.tryDeltaWord("teszzzz"));
assertTrue(state.tryDeltaWord("test"));
assertTrue(state.isValid());
assertTrue(state.isFinal());
}
}
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